Xmega Application Note


S_usb_device_qualifier_descriptor Struct Reference

#include <usb_descriptors.h>


Detailed Description

Usb Device Qualifier Descriptor

Definition at line 226 of file usb_descriptors.h.


Data Fields

uint8_t bDescriptorType
uint8_t bDeviceClass
uint8_t bDeviceProtocol
uint8_t bDeviceSubClass
uint8_t bLength
uint8_t bMaxPacketSize0
uint8_t bNumConfigurations
uint8_t bReserved
uint16_t bscUSB

Field Documentation

Device Qualifier descriptor type

Definition at line 228 of file usb_descriptors.h.

Class code assigned by the USB

Definition at line 230 of file usb_descriptors.h.

Protocol code assigned by the USB

Definition at line 232 of file usb_descriptors.h.

Sub-class code assigned by the USB

Definition at line 231 of file usb_descriptors.h.

Size of this descriptor in bytes

Definition at line 227 of file usb_descriptors.h.

Max packet size for EP0

Definition at line 233 of file usb_descriptors.h.

Number of possible configurations

Definition at line 234 of file usb_descriptors.h.

Reserved for future use, must be zero

Definition at line 235 of file usb_descriptors.h.

Binay Coded Decimal Spec. release

Definition at line 229 of file usb_descriptors.h.

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